SUBJECT INDEX 



Ovis vignei, CEstrous cycle in, 39 sq. 



Ovomucoid in white of egg, 287 



Ovulation, 120 sqq., 156 ; in rabbit, 129 ; 

 in mouse, 130 ; in rat, ib. ; in guinea- 

 pig, ib. ; in pig, ib. ; in ferret, 130, 134 ; 

 in cat, 131 ; in horse, ib. ; in donkey, 

 ib. ; in cattle, ib. ; in sheep, ib. ; in 

 bat, ib. sq. ; in Primates, 132 ; in 

 relation to menstruation, 132, 362 n.; in 

 Parsius spectrum, ib. ; in monkey, ib. ; 

 in man, ib. sq. ; in fowl, 134 n. ; in 

 pigeon, 135 ; mammary glands before, 

 in rabbit, 619 ; mammary glands before, 

 in polyoestrous animals, ib. 



Ova, struggle among, in Coelenterates, 

 120 n. ; maturation of, 120 sqq., 125 ; 

 production of multiple, 121 n. sq. ; 

 human, 123 sq. ; maturation of, 125 

 sqq. ; fertilisation of, 134 sq. ; retention 

 of, in follicle, 151 ; number of, in ovary, 

 155 ; maturation of, 165 ; membrane 

 of, 182 ; micropyle of, 182 ; oxidation 

 process in, 185 sqq. ; transplantation of, 

 209 ; in- breeding and vitality of, 219 

 sq. ; chemistry of, 276 sqq. ; source of 

 iron in, 292 ; chemistry of Invertebrate, 

 292 sqq. ; of sheep, 404 ; of man, ib. ; 

 albumen layer of, in rabbit, 406 ; 

 zonary villi of, 445 ; carbohydrate in, 

 463 ; glucosamine in, 463 ; movements 

 of, after fertilisation in mouse, 467 ; 

 of hedgehog, 478 ; sex-determination 

 by maturity of, 669 ; dimorphism of, 

 in Talceporia tubulosa, 672 ; dimor- 

 phism of, in Raja batis, 679 ; di- 

 morphism of, in Hydatina senta, ib. ; 

 dimorphism of, in Phylloxera, ib. ; di- 

 morphism of, in Dinophilus apatris, ib. 



Owl, longevity in, 722 



Oxidase ferments, 507 



Oxidation, 313 sqq. ; in ova, 185 sqq. ; 

 at fertilisation, 186 sqq. ; in ovum of 

 Stronglocentrotus, 188, 191 ; in ovum 

 of Echinus microtuberculatus, 192 ; in 

 ovum of Glutathione, 197 ; in ovum 

 of Echinus miliaris, ib. ; of fat, 284 ; 

 in parthenogenesis, 285 ; ferments of, 

 507 



Oxygen, absorption of, by foetus, 464 sq. ; 

 consumption of, during pregnancy in 

 rat, 553 ; in milk, 595 



Pachytenic stage of oogenesis, 117, 155 

 Pachyuromus duprasi, oestrous cycle in, 



38 



Pacinian body, 75 



Pacinian corpuscles of penis, 254, 257 

 Paecilogonie, 228 ; in Musca corvina, 



228 n. 



Psedogenesis, 228 ; in Chironomus, 228 n. 

 Pain-spots of penis, 254 sq. 

 Palmatin in, milk, 594 



Palmitic acid in yolk of egg, 283 



Palolo-worm, breeding season in, 9 sq. ; 

 maturation of ova in, 128 sq. ; polar 

 body in, 129 



Palpitation in menopause, 715 



Paludina, spermatozoa in, 168, 672 ; 

 ova in, 672 



Papio, oestrous cycle in, 58 



Papio porcarius, menstruation in, 58 



Paramcecium, 384 ; rejuvenescence in, 

 221 sq. ; assertive mating in, 221 ; 

 endomixis in, 223 



Paramcecium aurelia, rate of fission in, 6 



Paraplegia during pregnancy, 514 ; in 

 man, 571 sq. ; and lactation, 609 



Parasitic castration, in hermit crab, 326 ; 

 in spider crabs, ib. 



Parathyroid, 385 



Paroophoron, 71 



Parovarium, 71 



Parrot, in captivity, 630 ; longevity in, 

 722 



Parthenogenesis, 126 n. ; artificial, 185, 

 194, 230 sqq., 313; natural, 230; in 

 Aphaedi, ib. ; in Bombyx mori, ib. ; in 

 Echinodermata, ib. sq. ; in Chatop- 

 terus, 230, 233 ; in Arbacia, 231 sq., 

 314, 317; in Asterias forbesii, 231 sq. ; 

 in Strongylocentrotus purpuratus, 232 ; 

 in Ophlia, 234 ; in Acmcea, ib. ; in 

 Lottia, ib. ; in lamprey, ib. ; in frog, 

 234, 316; and the chromosome num- 

 ber, 238 ; oxygen absorption during, 

 285 ; in plant-lice, 669 ; in Daphnia, 

 670 ; in Simocephalus, ib. ; in Hyda- 

 tina senta, ib. 



Parturition, Chapter XII. ; in man, 565 ; 

 in horse, ib. sq. ; stages of, 566 sqq. ; 

 in Ruminants, 569 ; in sheep, ib. ; 

 in pig, ib. ; in dog, ib. ; in cat, ib. ; 

 in Carnivora, ib. ; in rat, ib. sq. ; in 

 opossum, 570 ; in Dasyurus, ib. ; in 

 Perameles, ib. ; in kangaroo, ib. ; nervous 

 mechanism of, ib. sqq. ; mechanism of, in 

 cat, 571 ; mechanism of, in rabbit, ib. ; 

 mechanism of, in dog, ib. ; mechanism 

 of, in man, ib. sq. ; leucocytosis during, 

 572 ; changes in maternal organism 

 during, ib. ; "after pains" of, 579; 

 area of placenta after, 582 



Patella, breeding season in, 12 ; fertilisa- 

 tion in, 229 



Pea, Mendelism in, 199 



Pea-fowl, fertility in, 628 



Pelican, phenomena associated with breed- 

 ing in, 27 



Pelodytes, hybridisation in, 210 



Peltogaster, 691 ; effect of, on crab, 326 



Penis, 253 sqq. ; relation of scrotum to, 

 165 ; function of, 253 ; structure of, 

 ib. sqq. ; end-bulbs of, 254 ; Pacinian 

 corpuscles of, 254, 257 ; prepuce ef, 

 254; glans of, 254, 260; heat-spots 

 of, 254 ; pain-spots of, 254, 255 ; 

 cold-spots of, ib. ; arteries of, 255, 257 ; 



